What was found
(CAN) DURING FLIGHT, THE CREW SAW THE LT ENGINE OIL PRESSURE DROP TO ZERO FOLLOWED BY A LOW OIL PRESSURE WARNING. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED AT DESTINATION. POST FLIGHT INSPECTION FOUND NO EVIDENCE OF EXTERNAL OIL LEAK HOWEVER, A LARGE AMOUNT OF METALLIC DEBRIS WAS FOUND ON THE TURBOMACHINE CHIP DETECTOR. ENGINE TO BE REPLACED.